diff options
| author | Mikael Starvik <mikael.starvik@axis.com> | 2005-07-27 11:44:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-27 16:26:00 -0700 |
| commit | 4f18cfbf0990bfc2e8e7706eeb9e5bef898ae923 (patch) | |
| tree | b6bd033aac034e5d3cb83be8efb03506135866b2 /arch/cris/mm/tlb.c | |
| parent | 7cf32cad153d63ac4f6f2d5dd16ddd32ad72d578 (diff) | |
[PATCH] CRIS update: mm
Memory management patches.
* SMP support.
* Non-executable stack (on v32).
* 4-level page tables.
* Added simple Thread Local Storage support.
Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/cris/mm/tlb.c')
| -rw-r--r-- | arch/cris/mm/tlb.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/arch/cris/mm/tlb.c b/arch/cris/mm/tlb.c index 23eca5ad738..0df390a656c 100644 --- a/arch/cris/mm/tlb.c +++ b/arch/cris/mm/tlb.c @@ -29,18 +29,6 @@ struct mm_struct *page_id_map[NUM_PAGEID]; static int map_replace_ptr = 1; /* which page_id_map entry to replace next */ -/* - * Initialize the context related info for a new mm_struct - * instance. - */ - -int -init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ - mm->context = NO_CONTEXT; - return 0; -} - /* the following functions are similar to those used in the PPC port */ static inline void @@ -60,12 +48,12 @@ alloc_context(struct mm_struct *mm) */ flush_tlb_mm(old_mm); - old_mm->context = NO_CONTEXT; + old_mm->context.page_id = NO_CONTEXT; } /* insert it into the page_id_map */ - mm->context = map_replace_ptr; + mm->context.page_id = map_replace_ptr; page_id_map[map_replace_ptr] = mm; map_replace_ptr++; @@ -81,7 +69,7 @@ alloc_context(struct mm_struct *mm) void get_mmu_context(struct mm_struct *mm) { - if(mm->context == NO_CONTEXT) + if(mm->context.page_id == NO_CONTEXT) alloc_context(mm); } @@ -96,11 +84,10 @@ get_mmu_context(struct mm_struct *mm) void destroy_context(struct mm_struct *mm) { - if(mm->context != NO_CONTEXT) { - D(printk("destroy_context %d (%p)\n", mm->context, mm)); + if(mm->context.page_id != NO_CONTEXT) { + D(printk("destroy_context %d (%p)\n", mm->context.page_id, mm)); flush_tlb_mm(mm); /* TODO this might be redundant ? */ - page_id_map[mm->context] = NULL; - /* mm->context = NO_CONTEXT; redundant.. mm will be freed */ + page_id_map[mm->context.page_id] = NULL; } } |